Hasanuzzaman, S. M. “Abū ’Ubayd Al-Qāsim Ibn Sallām. The Book of Revenue: Kitāb Al-Amwāl.”. Islamic Studies 45, no. 4 (December 31, 2006): 627-628. Accessed January 15, 2025. http://irigs.iiu.edu.pk:64447/ojs/index.php/islamicstudies/article/view/4681.